Fig. 2From: Postoperative radiograph of the hip arthroplasty: what the radiologist should knowAP radiograph. Cementless bipolar hemiarthroplasty. The femoral stem with a fixed head (arrowheads) articulates with a polyethylene lined metal cup (arrow indicates position of the radiolucent polyethylene), which articulates with the native acetabulum (dotted arrow)Back to article page